Most empirical and theoretical studies of resource use and population dynamics treat
conspecific individuals as ecologically equivalent. This simplification is only justified if …

Natural populations consist of phenotypically diverse individuals that exhibit variation in their
demographic parameters and intra- and inter-specific interactions. Recent experimental …

… In practice, however, different lumping strategies often yield only slightly different
outcomes (Bolnick, pers. obs.) that do not confound comparative or experimental results. …

Predation is a central feature of ecological communities. Most theoretical and empirical
studies of predation focus on the consequences of predators consuming their prey. Predators …

Ecologists have proposed that when interspecific competition is reduced, competition within
a species becomes a potent evolutionary force leading to rapid diversification 1 . This view …

Resource competition is thought to play a major role in driving evolutionary diversification.
For instance, in ecological character displacement, coexisting species evolve to use different …

Many apparently generalized species are in fact composed of individual specialists that use
a small subset of the population's resource distribution. Niche variation is usually …

Sympatric speciation, the evolution of reproductive isolation without geographic barriers,
remains highly contentious. As a result of new empirical examples and theory, it is now …

We present a framework for explaining variation in predator invasion success and predator
impacts on native prey that integrates information about predator–prey naïveté, predator and …

Parallel evolution across replicate populations has provided evolutionary biologists with
iconic examples of adaptation. When multiple populations colonize seemingly similar habitats, …